503242442120201 has 16 divisors (see below), whose sum is σ = 578324863785600. Its totient is φ = 428964246627840.

The previous prime is 503242442120149. The next prime is 503242442120237. The reversal of 503242442120201 is 102021244242305.

It is a de Polignac number, because none of the positive numbers 2^k-503242442120201 is a prime.

It is a super-2 number, since 2×503242442120201² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503242442120401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272626376 + ... + 274466073.

It is an arithmetic number, because the mean of its divisors is an integer number (36145303986600).

Almost surely, 2^{503242442120201} is an apocalyptic number.

It is an amenable number.

503242442120201 is a deficient number, since it is larger than the sum of its proper divisors (75082421665399).

503242442120201 is a wasteful number, since it uses less digits than its factorization.

503242442120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547093184.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 503242442120201 its reverse (102021244242305), we get a palindrome (605263686362506).

The spelling of 503242442120201 in words is "five hundred three trillion, two hundred forty-two billion, four hundred forty-two million, one hundred twenty thousand, two hundred one".